Oldsmobile Ninety-Eight II MPG and Fuel Economy
Oldsmobile have been manufacturing models of Ninety-Eight II for 1 year, with the latest vehicle in 1984 having a combined MPG of 24.
The estimated fuel cost for the 1984 Oldsmobile Ninety-Eight II is $3,200 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $4,500 more on fuel driving a 1984 Oldsmobile Ninety-Eight II.
🛢 The Oldsmobile Ninety-Eight II will consume roughly 15 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Oldsmobile Ninety-Eight II will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Oldsmobile Ninety-Eight II.
The table below is a complete list of the 1 Oldsmobile Ninety-Eight II fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 1984 Oldsmobile Ninety-Eight II | 24 | $3,200 |
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"Oldsmobile Ninety-Eight II MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/oldsmobile/ninety-eight-ii.
"Oldsmobile Ninety-Eight II MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/oldsmobile/ninety-eight-ii. Accessed January 3, 2026.
Oldsmobile Ninety-Eight II MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/oldsmobile/ninety-eight-ii.